Particle Physics in the Early Universe

Session

Monday

14 sept. 2026, 10:00

100/-1-A900 - Auditorium Joliot Curie (IJCLab)

2. TBA

Ed Copeland

14/09/2026 10:00

3. Dark Matter from a Slightly Broken Mirror

Juri Smirnov (University of Liverpool)

14/09/2026 10:45

30. Developments in gravitational particle production

Oleg Lebedev (University of Helsinki)

14/09/2026 12:00

31. Nonthermal leptogenesis via cosmological gravitational particle production

Rocky Kolb (The University of Chicago)

14/09/2026 14:00

32. Geodesic Completeness in General Cosmological Scenarios

William Kinney (Univ. at Buffalo, SUNY)

14/09/2026 14:45

The well-known Borde-Guth-Vilenkin Theorem shows that inflationary
spacetimes are generically geodesically past-incomplete, necessitating
the existence of a pre-inflationary boundary of some sort, possibly
singular. In this talk, I discuss the generalization of the BGV theorem
to spactimes beyond inflation, including inhomogeneous and cyclic
models. I argue that the cyclic model proposed...

33. Non-compact QCD axion and its gravitational origin

Prof. Mikhail Shaposhnikov (EPFL)

14/09/2026 16:00

34. Primordial lepton asymmetries: constraints and consequences

Julien Froustey (IFIC, CSIC-UV)

14/09/2026 16:45